31382355

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 20319405

約数列:

[1, 3, 5, 15, 71, 79, 213, 237, 355, 373, 395, 1065, 1119, 1185, 1865, 5595, 5609, 16827, 26483, 28045, 29467, 79449, 84135, 88401, 132415, 147335, 397245, 442005, 2092157, 6276471, 10460785, 31382355]

約数ペア:

[(1, 31382355), (3, 10460785), (5, 6276471), (15, 2092157), (71, 442005), (79, 397245), (213, 147335), (237, 132415), (355, 88401), (373, 84135), (395, 79449), (1065, 29467), (1119, 28045), (1185, 26483), (1865, 16827), (5595, 5609)]